Walker, C. (2009). 29 gifts: How a month of giving can change your life. Da Capo Lifelong.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalker, Cami. 29 Gifts: How a Month of Giving Can Change Your Life. Cambridge, Mass.: Da Capo Lifelong, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalker, Cami. 29 Gifts: How a Month of Giving Can Change Your Life. Da Capo Lifelong, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.